sakula | 15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a

General

Target

15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe
Size

168KB
MD5

d1abc3eb8ef2ea349269f836b8a65212
SHA1

9c6bdf06e06e0fdf98dca643c2c00eab2523a980
SHA256

15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a
SHA512

c963504403ec5656a8b88289d2d991dcd41d5e63b97586b2a07af329ec79fd76066e443c428b47a586c5cc11a46ceebaa1c4aae2bc51d029fbc06db76392f452

Score

10^/10

sakula persistence rat suricata trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
behavioral2/memory/1088-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2896 MediaCenter.exe

pid	process
2896	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.825044"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.973461"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892891795260998"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3564 PING.EXE

pid	process
3564	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe

description	pid	process
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1088	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe
Token: SeBackupPrivilege	1504	TiWorker.exe
Token: SeRestorePrivilege	1504	TiWorker.exe
Token: SeSecurityPrivilege	1504	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.execmd.exe

description	pid	process	target process
PID 1088 wrote to memory of 2896	1088	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe	MediaCenter.exe
PID 1088 wrote to memory of 2896	1088	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe	MediaCenter.exe
PID 1088 wrote to memory of 2896	1088	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe	MediaCenter.exe
PID 1088 wrote to memory of 3036	1088	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe	cmd.exe
PID 1088 wrote to memory of 3036	1088	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe	cmd.exe
PID 1088 wrote to memory of 3036	1088	15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe	cmd.exe
PID 3036 wrote to memory of 3564	3036	cmd.exe	PING.EXE
PID 3036 wrote to memory of 3564	3036	cmd.exe	PING.EXE
PID 3036 wrote to memory of 3564	3036	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe
"C:\Users\Admin\AppData\Local\Temp\15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2896

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15d33eee644b3a7b2f7c08d5e87057130911a88555b7c25901adc701e957c21a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3564

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3624

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3052

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1504

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
de1bec901d508af56dce9a64bbc2c40e

SHA1
e4edb9ece1bdb419175f05c5f25606cd38b4789e

SHA256
50f9ac76e4e56308aa4be2c045c024161e6f361456496f0badcbb945e1738806

SHA512
a1695ac1549e08f1364dc1f5b451f9b19a70a1dab891bc84e6113ffc875cbfbeb7d9ca832fef3531562019acf7ba0087ddf95ff9db89ce199f27b58b26a0a349

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
de1bec901d508af56dce9a64bbc2c40e

SHA1
e4edb9ece1bdb419175f05c5f25606cd38b4789e

SHA256
50f9ac76e4e56308aa4be2c045c024161e6f361456496f0badcbb945e1738806

SHA512
a1695ac1549e08f1364dc1f5b451f9b19a70a1dab891bc84e6113ffc875cbfbeb7d9ca832fef3531562019acf7ba0087ddf95ff9db89ce199f27b58b26a0a349

Download Submit
memory/1088-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads